Adapted from cottonholic on nihonomaru:
Fujiwara is a man of unusual tastes—he finds plain-looking, borderline unattractive men appealing. And Karahashi, his lover and middle school teammate, has started to be insecure about this. What will he do to keep Fujiwara’s attention?

Continuation of story about a man and his old love that has become a hairdresser in Shiranai Kao.

Ai Nekomori can see the "doors" to people's hearts, meaning their thoughts. Therefore, he can't trust anyone and never opens his heart.. But then he meets the upbeat, tomboy Ritsu Sengoku, who says whatever she's thinking. Can she open his heart?

Nemoto, your average teenage airhead, has her highschool life flipped turned upside down when she accidentally volunteers to be class rep with the most serious guy in class! Can the two overcome their differences and become friends...or perhaps more?

Nineteenth century England... After her parents pass away, ten year old Coco inherits the title of "marquise" and the expectations that go along with it. Nidell, a young tutor, is hired to teach Coco, but quickly finds himself facing a past he's tried to hide.

Extremely negative Fujiwara-kun and overly positive Tachibana-kun are... a couple. While eating lunch hand-in-hand, they have their dates. In the midst of a bustling routine, this duo's carefree tale of love occurs--a small part of which is shared in this book.

A two-volumes sequel of the Nodame Cantabile series. Chiaki and Nodame are back in Japan, Nodame for her first recital there, and Chiaki for his first Opera Concerto.Prequel:> Nodame Cantabile(http://mangapark.com/search?q=nodame-cantabile)

From Storm in Heaven:

1)You Blossom in the Summer
Shinobu grew up in a town so small that he didn't even have any classmates in elementary school. Without any friends his age, he spent his time learning about flowers with a local horticulture expert. Now that he's moved away to a city, he still sticks to himself, since he never really learned how to make friends. That is, with the exception of Yukihito, who came up to him one day and became his friend. The trouble is, now Yukihito means the world to Shinobu, and he doesn't know what to do about it.

2)The Language of Flowers

3)The Insightful Florists

4)Strawberry Concerto

5)Cafeteria Love

6)Thermidor Fireworks

Short stories all related through a common medium: Eggplant.

Teppei Arima is a second-year high school student who lost both of his parents in a traffic accident on their way home from a family trip. His grandfather, Isshin Arima, happens to wield the puppet strings in Japan’s vast economy and demands that Teppei becomes his successor as the head of the Arima Group. To prepare for his debut into high society, Teppei enrolls in an elite academy for the scions of the rich and powerful.

Based on the fake manga in Bakuman (http://mangapark.com/search?q=bakuman) it is a one shot of Otter no.11.

From whyanime:

This series is about a girl named Otome who's searching for love now that she has entered high school. But of course, finding love isn't going to be easy, especially if you have three delinquent boys who are your childhood friends. Otome explains to the boys that since they are in high school now, she wants to find love and fall deeply in love, but Tokio (one of her childhood friends) insist that she be part of his plan. He dreams of taking over the school and becoming a grand gang leader; he'll even let her join as the sub-leader. What is she going to do? As she sneaks away from the boys, she catches a couple of girls watching the most popular boy, Touyou, being confessed to!? Is this love at first sight? She decides to spy/stalk him... what will she find out?

Extra 1 - The Boy Next Door (Tonari no Danshi)
Extra 2 - System vs Freedom

Mizuho can't believe his ears when Grandpa's will is read out. Grandpa's final wish is for Mizuho to attend the same academy as Mizuho's mother. The catch is it's an all-girls school. With the help of his friend Mariya however, he gets a makeover good enough to fool everyone at the academy.

From StarryHeaven:

Boys are silly, sex-hungry, and naughty. This book studies boys, living creatures totally different from girls, in detail, to answer questions about boys and their behaviors.

1) Otokonoko Zukan ~Everything about a beast~

2) Otokonoko Zukan 2 ~The story of a novice~

3) Because I'm a guy ~Otoko Zukan 3~

4) Excuses to your parents A to Z

Nao, Yuki, Tomo and Rio are four brothers working as maids in their family's maid cafe Cherry Girls.

From SnoopyCool:
A young man has been cursed, and a wandering Shrine Maiden has come to his school to further her demon-fighting techniques. How will she save him?

Haruka is a guy with a mischievous zashiki warashi trap named Shiki living in his closet. One day, Haruka unknowingly brings home a poverty god named Tsuyu.

From Intercross:

1-3) Orokamono no Koi
It exists.
Someone who would tell you “anyone but him,” or “he may be cool, but it can’t be him.” “You may think he’s a good person, but it can’t be him.” “You can’t be alone together,” “You can’t fall for him,” “You can’t look at him without his glasses on.”
A fool like me can only do what she is told.

4) Kyou mo, Kimi ni Muchuu no Byouki

5) Ani x 3, Danshikai

From StarryHeaven:

Yuna is a special girl. Ever since she was little, she has had unbeatable luck. All the girls in her class even come to her to ask for luck with the boys they like! Although an orphan, Yuna is not sad. She still has her older brother, and together they fight through everything. But one day, Yuna meets this strange attractive boy who demands that she gives the only momento she has of her mother to him…

On a rainy night, Takuma picked up a young girl who was soaking wet. But as it turned out, Ruka was a boy who ran away from home, and he decided to stay at Takuma’s apartment. But what’s his real identity ?

Wakaba Chiharu is a fujoshi, but hides it from her friends. She fantasizes about male classmates being intimate and uses them for her manuscripts. But somebody is interfering with her daydreams...